Add a sketch with Sigrok support. Basically returning the capture buffer in the opposite order.

README.md

@@ -17,6 +17,31 @@ Pins 22-29 (Port A) are used by default.
 Client Software
 ===============
 
+Sigrok support via the 'ols' device configuration has been added. This
+mostly involved returning the capture buffer in the reverse order.
+
+Use the `logic_analyzer_sigrok` sketch.  Since the OLS alternative client
+mentioned below has some issues with newer Java versions, Sigrok is currently
+the only practical way to use this logic analyzer.  If you use an older machine
+with an older operating system and older Java you can probably use the OLS client.
+
+Sigrok support seems to work fairly well so I would currently recommend it for
+anyone interested in trying this sketch.
+
+Run PulseView like this on Linux: (I'll add Windows options after more testing)
+```
+PulseView --driver=ols:conn=/dev/ttyUSB0 --dont-scan
+```
+
+It may be necessary to exit and relaunch PulseView to get it to recognize the device.
+An easy way to test the device is using the `sigrok-cli` utility. The command below
+samples channel 2 at 1MHz.  If you get a device not found error, but /dev/ttyUSB0 exists,
+run this command a couple times and usually it will start working. Due to the way opening
+the serial port resets the Arduino there are some issues/bugs to work out yet.
+```
+sigrok-cli --driver=ols:conn=/dev/ttyUSB0 --config samplerate=1Mhz --config pattern=External --samples 1024 --channels 2
+```
+
 The OLS alternative client hasn't had an official release recently so you will
 need to compile it yourself.
 

logic_analyzer/logic_analyzer.ino

@@ -2,7 +2,7 @@
  *
  * SUMP Protocol Implementation for Arduino boards.
  *
- * Copyright (c) 2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021 Andrew Gillham
+ * Copyright (c) 2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023 Andrew Gillham
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -62,7 +62,7 @@
  * until after the trigger fires.
  * Please try it out and report back.
  *
- * Release: v0.15 December 21, 2021.
+ * Release: v0.16 October 3, 2023.
  *
  */
 
@@ -949,7 +949,7 @@ void get_metadata() {
   Serial.write('0');
   Serial.write('.');
   Serial.write('1');
-  Serial.write('5');
+  Serial.write('6');
   Serial.write((uint8_t)0x00);
 
   /* sample memory */

logic_analyzer_leonardo/logic_analyzer_leonardo.ino

@@ -2,7 +2,7 @@
  *
  * SUMP Protocol Implementation for Arduino boards.
  *
- * Copyright (c) 2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021 Andrew Gillham
+ * Copyright (c) 2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023 Andrew Gillham
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -62,7 +62,7 @@
  * until after the trigger fires.
  * Please try it out and report back.
  *
- * Release: v0.15 December 21, 2021.
+ * Release: v0.16 October 3, 2023.
  *
  */
 
@@ -918,7 +918,7 @@ void get_metadata() {
   Serial.write('0');
   Serial.write('.');
   Serial.write('1');
-  Serial.write('5');
+  Serial.write('6');
   Serial.write((uint8_t)0x00);
 
   /* sample memory */

logic_analyzer_sigrok/LICENSE

@@ -0,0 +1,22 @@
+Copyright (c) 2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021 Andrew Gillham
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY ANDREW GILLHAM ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL ANDREW GILLHAM BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.